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Arai Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Ina

Last Updated: 05 Aug 2025, 06:24am (Local Time)

location image
Live AQI
54(AQI-US)
Air Quality is
Moderate
pm10 :  25 µg/m³
PM2.5 :  11 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Arai
patchy rain possible

14 °C

Patchy rain nearby
Humidity
Humidity92 %
Wind Speed
Wind Speed6 km/h
UV Index
UV Index0
Last Updated: 05 Aug 2025, 06:24am (Local Time)
Map

Arai

Major Air Pollutants

Arai

PM2.5's Icon

Particulate Matter(PM2.5)

11µg/m³

PM10's Icon

Particulate Matter(PM10)

25µg/m³

CO's Icon

Carbon Monoxide(CO)

91ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

5ppb

O3's Icon

Ozone(O3)

25ppb

Trending in Japan

Minneapolis Air Quality Alert: Wildfire Smoke Pushes Pollution to Unhealthy Levels

Minneapolis Air Quality Alert: Wildfire Smoke Pushes Pollution to Unhealthy Levels

AQI.IN's Community Air Quality Monitoring Get a Free AQI Monitor by Joining AQI.IN's Community Initiative.

AQI.IN's Community Air Quality Monitoring Get a Free AQI Monitor by Joining AQI.IN's Community Initiative.

Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

AQI Graph

Historical Air Quality Data

Arai

24 Hours
AQI
Arai
AQI
.
04-08-2025Time05-08-2025
44
Min.at 3:09 AM on 5th Aug
91
Max.at 4:09 PM on 4th Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Arai, Ina, Nagano, Japan

AQI
Year
.
AQI

Annual AQI Trends

2020
28AQI
2021
31AQI
11%
Rise
2022
35AQI
13%
Rise
2023
34AQI
-3%
Fall
2024
31AQI
-9%
Fall
2025
38AQI
23%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
7%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedApril, 202345AQI
Least PollutedJuly, 202017AQI

* This data analysis is from year 2020 - 2025

Japan's Metro Cities

Air Quality Index

Aomori City AQI

Aomori

39

temp.21°C
hum.94%
Higashi Hiroshima City AQI

Higashi Hiroshima

54

temp.26°C
hum.89%
Higashi Osaka City AQI

Higashi Osaka

55

temp.29°C
hum.79%
Kyoto City AQI

Kyoto

55

temp.28°C
hum.84%
Saitama City AQI

Saitama

54

temp.28°C
hum.65%
Sendai City AQI

Sendai

41

temp.25°C
hum.89%
Tokyo City AQI

Tokyo

54

temp.30°C
hum.70%
Yokohama City AQI

Yokohama

54

temp.30°C
hum.70%

Air Quality Calendar 2025

Arai

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
29
2 Jan
29
3 Jan
29
4 Jan
29
5 Jan
28
6 Jan
40
7 Jan
29
8 Jan
30
9 Jan
30
10 Jan
26
11 Jan
28
12 Jan
33
13 Jan
30
14 Jan
33
15 Jan
32
16 Jan
26
17 Jan
28
18 Jan
30
19 Jan
36
20 Jan
33
21 Jan
35
22 Jan
38
23 Jan
50
24 Jan
52
25 Jan
39
26 Jan
36
27 Jan
30
28 Jan
30
29 Jan
33
30 Jan
31
31 Jan
33
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
44
2 Feb
40
3 Feb
41
4 Feb
35
5 Feb
35
6 Feb
32
7 Feb
34
8 Feb
31
9 Feb
30
10 Feb
31
11 Feb
31
12 Feb
30
13 Feb
32
14 Feb
31
15 Feb
31
16 Feb
42
17 Feb
41
18 Feb
35
19 Feb
34
20 Feb
31
21 Feb
31
22 Feb
31
23 Feb
32
24 Feb
32
25 Feb
34
26 Feb
36
27 Feb
38
28 Feb
43
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
41
2 Mar
44
3 Mar
38
4 Mar
36
5 Mar
40
6 Mar
34
7 Mar
37
8 Mar
35
9 Mar
37
10 Mar
37
11 Mar
34
12 Mar
31
13 Mar
41
14 Mar
39
15 Mar
39
16 Mar
25
17 Mar
23
18 Mar
24
19 Mar
21
20 Mar
28
21 Mar
44
22 Mar
48
23 Mar
57
24 Mar
59
25 Mar
73
26 Mar
95
27 Mar
71
28 Mar
49
29 Mar
38
30 Mar
38
31 Mar
30
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
26
2 Apr
23
3 Apr
22
4 Apr
22
5 Apr
29
6 Apr
24
7 Apr
33
8 Apr
39
9 Apr
29
10 Apr
44
11 Apr
35
12 Apr
46
13 Apr
27
14 Apr
37
15 Apr
21
16 Apr
32
17 Apr
43
18 Apr
53
19 Apr
68
20 Apr
53
21 Apr
42
22 Apr
46
23 Apr
28
24 Apr
30
25 Apr
37
26 Apr
43
27 Apr
46
28 Apr
44
29 Apr
37
30 Apr
51
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
45
2 May
34
3 May
34
4 May
35
5 May
39
6 May
31
7 May
29
8 May
34
9 May
29
10 May
24
11 May
26
12 May
26
13 May
38
14 May
44
15 May
47
16 May
48
17 May
35
18 May
46
19 May
44
20 May
62
21 May
64
22 May
50
23 May
54
24 May
48
25 May
30
26 May
31
27 May
30
28 May
27
29 May
36
30 May
23
31 May
22
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
21
2 Jun
30
3 Jun
24
4 Jun
30
5 Jun
35
6 Jun
43
7 Jun
46
8 Jun
55
9 Jun
54
10 Jun
32
11 Jun
29
12 Jun
38
13 Jun
47
14 Jun
39
15 Jun
29
16 Jun
30
17 Jun
38
18 Jun
47
19 Jun
50
20 Jun
55
21 Jun
49
22 Jun
43
23 Jun
33
24 Jun
33
25 Jun
33
26 Jun
29
27 Jun
35
28 Jun
37
29 Jun
44
30 Jun
47
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jul
50
2 Jul
48
3 Jul
49
4 Jul
51
5 Jul
60
6 Jul
55
7 Jul
60
8 Jul
62
9 Jul
66
10 Jul
61
11 Jul
46
12 Jul
47
13 Jul
48
14 Jul
42
15 Jul
36
16 Jul
43
17 Jul
34
18 Jul
34
19 Jul
33
20 Jul
32
21 Jul
36
22 Jul
39
23 Jul
42
24 Jul
43
25 Jul
37
26 Jul
32
27 Jul
33
28 Jul
39
29 Jul
47
30 Jul
49
31 Jul
43
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Aug
43
2 Aug
44
3 Aug
47
4 Aug
-
5 Aug
-
6 Aug
-
7 Aug
-
8 Aug
-
9 Aug
-
10 Aug
-
11 Aug
-
12 Aug
-
13 Aug
-
14 Aug
-
15 Aug
-
16 Aug
-
17 Aug
-
18 Aug
-
19 Aug
-
20 Aug
-
21 Aug
-
22 Aug
-
23 Aug
-
24 Aug
-
25 Aug
-
26 Aug
-
27 Aug
-
28 Aug
-
29 Aug
-
30 Aug
-
31 Aug
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Arai

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Arai

  • asthma due to air pollution in AraiAsthma
  • heart due to air pollution in AraiHeart Issues
  • allergy due to air pollution in AraiAllergies
  • sinus due to air pollution in AraiSinus
  • flu due to air pollution in AraiCold/Flu
  • copd due to air pollution in AraiChronic (COPD)
asthma due to air pollution in Arai

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

Japan

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Tajimi, Japan

55
Moderate
4xabove Standard

2.

Sakurai, Japan

55
Moderate
4xabove Standard

3.

Nishio, Japan

55
Moderate
4xabove Standard

4.

Yokkaichi, Japan

55
Moderate
4xabove Standard

5.

Kadoma, Japan

55
Moderate
4xabove Standard

6.

Moriyama, Japan

55
Moderate
4xabove Standard

7.

Tadaoka Higashi, Japan

55
Moderate
4xabove Standard

8.

Hatsukaichi, Japan

55
Moderate
4xabove Standard

9.

Kakamigahara, Japan

55
Moderate
4xabove Standard

10.

Daiwanishi, Japan

55
Moderate
4xabove Standard

Last Updated: 04 Aug 2025, 09:26 PM

AQI City Rankings

Air Quality Solutions For Arai

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Arai

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for Arai

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Arai

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for Arai

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Arai

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Arai

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for Arai

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Arai

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Arai

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Arai

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Arai

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for Arai

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Arai

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Arai

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Arai

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Arai

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Arai's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Arai
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at Arai

Frequently Asked Questions About Air Quality

What is the current AQI level in Arai?

The current real-time AQI level in Arai is 54 (Moderate) due to recent rainfall by 0.05mm/hr. This was last updated 05 Aug 2025, 06:24am (Local Time).

When was the best AQI level in Arai in the last 24 hours?

The best AQI level was 44 (Good) at 3:09 AM, Aug 5, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Arai in the last 24 hours?

The worst AQI level was 91 (Moderate) at 4:09 PM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Arai during last 24 hours?

The AQI levels in Arai have been fluctuating throughout the last 24 hours. The levels have increased by highest 91 at 4:09 PM (Local Time), lowest 44 at 3:09 AM, Aug 5, 2025 (Local Time).

What actions are recommended as per the current AQI level in Arai?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Why You Should Add a Real-Time Weather and AQI Widget to Your Website?

Why You Should Add a Real-Time Weather and AQI Widget to Your Website?

1 Aug 2025Shakshi
Minneapolis Air Quality Alert: Wildfire Smoke Pushes Pollution to Unhealthy Levels

Minneapolis Air Quality Alert: Wildfire Smoke Pushes Pollution to Unhealthy Levels

31 Jul 2025Shakshi
New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)

New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)

26 Jul 2025Gyane Haobijam
Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

26 Jul 2025Shakshi
Big Dreams, Toxic Air: Why a Father’s ‘No’ to Hansraj College Over Delhi Pollution is a Warning for India

Big Dreams, Toxic Air: Why a Father’s ‘No’ to Hansraj College Over Delhi Pollution is a Warning for India

24 Jul 2025Shakshi
What Is the Real Impact of Air Pollution on Property Rates in India?

What Is the Real Impact of Air Pollution on Property Rates in India?

19 Jul 2025Shakshi
Do People Really Consider Air Pollution Before Moving to Delhi NCR?

Do People Really Consider Air Pollution Before Moving to Delhi NCR?

15 Jul 2025Shakshi
Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

12 Jul 2025Shakshi
Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

7 Jul 2025Shakshi
Can Banning Old Vehicles Really Improve Delhi’s Air Quality? Here’s What the Data Says

Can Banning Old Vehicles Really Improve Delhi’s Air Quality? Here’s What the Data Says

4 Jul 2025Gyane Haobijam
Prana Air Logo

Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
Prana Air Logo

Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
Prana Air Logo

Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor